<template>
	<div id="picture-upload">
		<a-upload
			list-type="picture-card"
			:show-upload-list="false"
			:custom-request="handleUpload"
			:before-upload="beforeUpload"
		>
			<img v-if="picture?.url" :src="picture?.url" alt="avatar" />
			<div v-else>
				<loading-outlined v-if="loading"></loading-outlined>
				<plus-outlined v-else></plus-outlined>
				<div class="ant-upload-text">点击或拖拽上传图片</div>
			</div>
		</a-upload>
	</div>
</template>
<script lang="ts" setup>
import { ref } from 'vue'
import { PlusOutlined, LoadingOutlined } from '@ant-design/icons-vue'
import { message } from 'ant-design-vue'
import type { UploadFile } from 'ant-design-vue'
import { uploadPictureUsingPost } from '@/api/pictureController'

interface Props {
	picture?: API.PictureVO
	spaceId?: any
	onSuccess?: (newPicture: API.PictureVO) => void
}

const props = defineProps<Props>()

const loading = ref<boolean>(false)

// 图片上传操作
const handleUpload = async ({ file }: any) => {
	loading.value = true
	try {
		// 调用上传接口
		const params: API.PictureUploadRequest = props.picture ? { id: props.picture.id } : {}
		params.spaceId = props.spaceId
		const res: any = await uploadPictureUsingPost(params, {}, file)
		if (res.data.code === 0 && res.data.data) {
			message.success('图片上传成功')
			// 将上传图片成功的信息传递给父组件
			props.onSuccess?.(res.data.data)
		} else {
			message.error('图片上传失败，' + res.data.message)
		}
	} catch (error: any) {
		console.error('图片上传失败', error)
		message.error('图片上传失败，' + error.message)
	}
	loading.value = false
}

// 图片上传前的校验
const beforeUpload = (file: UploadFile) => {
	const isJpgOrPng = file.type === 'image/jpeg' || file.type === 'image/png'
	if (!isJpgOrPng) {
		message.error('不支持上传该格式的图片，推荐 jpg 或 png')
	}
	const isLt2M = file.size ? file.size / 1024 / 1024 < 2 : false
	if (!isLt2M) {
		message.error('不能上传超过 2MB 的图片!')
	}
	return isJpgOrPng && isLt2M
}
</script>
<style scoped lang="scss">
#picture-upload :deep(.ant-upload) {
	width: 100% !important;
	height: 100% !important;
	min-height: 152px;
	min-width: 152px;

	img {
		max-width: 100%;
		max-height: 480px;
	}

	.ant-upload-select-picture-card i {
		font-size: 32px;
		color: #999;
	}
	.ant-upload-select-picture-card .ant-upload-text {
		margin-top: 8px;
		color: #666;
	}
}
</style>
